<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
</head>
<body>
<h1>注册用户</h1>
<form action="http://localhost:8080/ServletHomework/check" method="post">
    u:<input type="text" name="username"><br><br>
    p:<input type="text" name="password"><br><br>
    <input type="submit"value="登录">
</form>
</body>
</html>